This tag should only be used for questions concerning the ArcGIS Platform from Esri (as a whole). Try wherever possible to use a product tag such as arcgis-desktop, arcgis-server, arcgis-mobile or arcgis-online on conjunction with a version tag such as arcgis-10.1, arcgis-10.0 or arcgis-9.3.

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5
votes
1answer
2k views

ArcGIS: inside buffer with attributes?

How can I create buffers for polygons that a) lie only inside the polygon boundary, and b) know who their parent is? An example of where this is useful is First Nation Traditional Territories. There ...
4
votes
3answers
794 views

How can i transfer data from a spreadsheet into a shapefile?

I am looking at Deprivation in the UK and there is some good data in the form of spreadsheets on this website http://www.communities.gov.uk/publications/corporate/statistics/indices2010 I would like ...
3
votes
2answers
696 views

Running Arcpy script from ArcObjects

the standard method requires to run arcpy script in commande line, i've struggled with it to run but without a result, i can import arcpy, set the workspace to the geodatabase path and describe the ...
3
votes
1answer
852 views

ESRI Flash Command in custom code

I would like to implement the same flash feature command that ESRI uses when accessing the context menu on a table row. I have used the following successfully to flash a selected feature: ...
3
votes
2answers
4k views

Using conditional statements in Field Calculator

I have two fields, "P_Area" and "PC_Area", whose sizes I'd like to compare in a third field, "Areas_Equal". The "Areas_Equal" field should contain a "Yes" if the other two are equal and a "No" if they ...
10
votes
6answers
812 views

Has anyone experienced appreciable performance increases in ArcGIS Desktop by using a RAM Disk?

I configured a RAM disk on a Virtual PC running ArcGIS Desktop 10 and set my HKCU\Software\ESRI\Output\TempPath to a directory on the RAM disk. It’s hard to perceive any sort improvement with that ...
9
votes
2answers
3k views

Is there an automated/geoprocesing tool In ArcGIS to slice, clip, or cut polygons using polylines?

Looking for a simpler method here. I am trying to split up / cut / slice existing polygons by using existing poly-lines. An example would be splitting a water body or land parcel at the point where a ...
6
votes
3answers
2k views

Is there a way to label points in a regular interval in ArcGIS 10?

I'm working with lines on roads represented by a large number of sequencial points. Since labeling all of them would make the points impossible to identify, I'd like to know if there is a way to label ...
4
votes
2answers
2k views

clipping a raster by multiple datasets or polygons

another newbie question from me. I would like to clip a DEM using a grid of polygons. It's probably easier to use multiple polygons in one shape file, but I haven't managed this so I'm trying to use ...
4
votes
1answer
994 views

How can I write a python script for repairing broken links in ArcGIS 10 for different new paths of layers or shapefiles?

I have an .mxd with broken link layers and each layer has a different new path. I know the python script for repairing the broken links of the layers, but I want to put all the new paths of the layers ...
3
votes
1answer
740 views

sorting the records in a shapefile based on an attribute(eg: pop) and then adding a new field indicating ranks using python

Basically, I am trying to sort the records within the shapefile based on an attribute(eg: pop) and then add a new field that indicates ranking based on the sort. eg: the record with the highest pop ...
3
votes
3answers
605 views

How to use NASS county level crop data to estimate crop acreage in hydrologic regions?

National Agriculture Statistics Service (NASS) provides county level crop (Corn, Soybean, Sorghum, etc) data. I want to calculate crop acres on each subwatershed from the county based data. What is ...
2
votes
1answer
265 views

Tools to flatten the jp2 to a single band (average the bands)?

I have created thousands of png tiles using arcgis and have merged groups of them into large jp2 files for serving via geoserver. I need to flatten these to a single band so that I can apply a colour ...
2
votes
2answers
359 views

Is it possible to convert an ESRI style sheet to a font set?

This is related to Retain ESRI symbology in Mapinfo TAB As a workaround I am wondering if I can save all my ESRI symbology from the lyr files created using the script below to an ESRI style sheet and ...
2
votes
2answers
520 views

Create layer from in-memory shape data

In my current project, a feature layer is created based on shape data generated after some complicated surface analysis procedure. The sequence right now is like [Surface Analysis Algorithm] -> ...
1
vote
1answer
346 views

Calculating mean upslope aspect

I am trying to write a python script to calculate the mean aspect upslope from each cell in a DEM. I have the general workflow down, but my final output is restricted to angles between 0 and 90 ...
27
votes
2answers
1k views

Streamlining Python Code for Big Data

I have Python code which is designed to take point shapefiles through the following workflow: Merge points Integrate points, such that any points within 1 m of each other become one point Create ...
17
votes
6answers
2k views

Is there a way to code-complete arcpy scripts using an external editor?

I have been scripting in Python for ArcGIS 10, and so far I have just been using Notepad++. I like how the Python command line interface code-completes arcpy functionality for you, showing you your ...
19
votes
2answers
1k views

Color polygons so each is distinct from its neighbors

I'm using ArcGIS 10, and I have a layers of 2010 Census blocks, block groups, and tracts. There are thousands of polygons in these layers. I want to color them so that each is distinct from its ...
7
votes
2answers
2k views

How to create noise maps? (open source or scripted in ArcGIS)

In a previous role I helped create Noise Maps for Northern England. The predicted noise levels was done using the IMMI package (which I can recommend) and the cartographic output was done in ArcMap. ...
12
votes
2answers
2k views

Export table to X,Y,Z ASCII file via arcpy

I'm looking for a way to export an ArcGIS table (created with the Sample command) to a text file via arcpy. I can do this in ArcGIS via the context menu by right-clicking the table, but have not found ...
12
votes
6answers
5k views

Bulk field rename in file geodatabase

I have a file geodatabase with several hundred feature classes in it. Some feature classes have a field that got named incorrectly, and it got named "SCHEMA_FEATURECLASS_ENTITY" instead of just ...
10
votes
3answers
628 views

Which data format typically displays fastest? (ArcMap)

My organization is working on an application running on ArcGIS Engine. Previous versions of the application used primarily Shapefiles for displaying roads, parcels, buildings, etc. Since I was taught ...
8
votes
3answers
962 views

Looking for quantitative evidence supporting SSD adoption

Has anyone seen quantitative evidence supporting the use of a SSD (solid state drive) in an ESRI ArcGIS Desktop workstation? Or any GIS workstation for that matter? I keep reading that SSDs can be a ...
8
votes
4answers
999 views

Questions on Esri Technical Certification

Starting mid-January you will be able to register for a series of Technical Certifications from Esri and I was interested in doing this, but have not been able to find out too much information about ...
5
votes
4answers
2k views

explode overlapping polygons to new non-overlapping features

Given multiple polygons that overlap in multiple ways, I would like to export from this feature all polygons that don't overlap with others iteratively. The product would be a number of features with ...
5
votes
3answers
937 views

How to make 3D building models from lidar data?

I have Lidar data, ground points and first returns. I have processed it and have ready tiles from which I am trying to build 3D building models. So far I was able to just extrude the buildings in ...
9
votes
3answers
3k views

What is the proper syntax and usage for ArcGIS “in_memory” workspace?

I am unclear how best to use the in_memory workspace in ArcGIS. The best resource I have found on the subject is from ESRI on Using in-memory workspace. Unfortunately, the help section is not very ...
9
votes
1answer
875 views

How to get the size of a file geodatabase feature class on disk?

Is there a simple way to determine the amount of hard drive space a feature class takes up? I feel like I'm missing something simple, but I don't recall a method that does so. You would think that ...
8
votes
5answers
11k views

Snap point to line in ArcGIS

I work in ArcGIS. I want create a network with a point feature and a line feature. And I need that my point feature being on the lines feature. So I should do Snap point to line. But do not know how ...
9
votes
3answers
6k views

Creating a square buffer around a point feature in ArcMap

I would like to create a square buffer from a point feature. I do not understand the code that gos into it. This similar questions as asked on the forums.esri website but that was over 10 years ago. ...
8
votes
2answers
556 views

Integrating geolocated Twitter posts in ArcGIS

Is it possible to integrate the lat/long data included with Twitter posts (those few that have it enabled of course) into an ArcGIS desktop environment? I've seen Twitter applications on ArcGIS Online ...
7
votes
1answer
834 views

Importing GDAL from ArcGIS python window - is it possible?

I am trying to run some Python code using the Python window in ArcGIS 10.1 that uses both the arcpy and gdal modules. However, when I try and import the gdal module I get an error: ImportError: No ...
6
votes
3answers
858 views

Generating a TIN from a DEM without ArcGIS

I'd like to generate a 3d terrain model moving from a DEM dataset (currently in shp and GeoTIFF format). As far as I understand it, the first step of the better path would be generating a TIN, but I ...
6
votes
2answers
3k views

Which registry key holds the license type in ArcGIS 10.0?

I'm unable to change my license type (ArcView, ArcEditor or ArcInfo) in ArcGIS 10.0 using the Desktop Administrator due to permissions restrictions. I'm trying to use the back-door method of changing ...
5
votes
2answers
1k views

Create satellite image footprint

I'm looking for a tool or a workflow to compute satellite image footprints, for a large number of images across directories, and produce a shapefile. Ideal work flow would be: fire up tool point to ...
4
votes
1answer
382 views

Statistical analyses for survey against raster?

I am somewhat of a newbie to geostatistical analyses, but pretty familiar with GIS and remote sensing packages. I was wondering if anyone had suggestions on appropriate geostatistical analyses for a ...
12
votes
13answers
16k views

ArcMap 10: Labels not appearing

Not sure what the issue is, but I'm unable to get labels to display in Arcmap 10. The obvious things are accounted for (as far as I know). Labels are set in Properties, layers are checked to label in ...
11
votes
5answers
3k views

Recalculate full extent of FGDB feature class

I have a featureclass in an Esri file geodatabase. When I edit the features using the editor in ArcMap, and I delete most of my features and keeping only the ones in the middle, the zoom to layer ...
8
votes
3answers
1k views

How to best prepare CSV files for use in ArcGIS?

I wonder if there are any recomendations how to properly prepare CSV files for use in ArcGIS. I ask because I have some troubles using CSV files because ArcGIS attributes wrong field types to my ...
8
votes
3answers
552 views

How do I create a raster randomly choosing a cell value from 2 or more overlapping rasters?

I'm using Arc 10. I want it to combine multiple rasters into one, always choosing randomly from the values of overlapping cells. I have an image that may explain this better:
8
votes
4answers
4k views

How to 'burn' a stream network into a DEM layer in ArcGIS 10?

I am working on a DEM that in an area where there is little relief. I would like to 'burn' the river network into the DEM so I can calculate flow accumulation and flow length accurately. I am using ...
8
votes
6answers
3k views

Can you use ArcGIS Online Base Maps without ESRI Software?

Since the end of January 2011: "ArcGIS Online map services are available at no cost regardless of use." - http://www.esri.com/software/arcgis/arcgisonline/standard-maps.html However, the ...
7
votes
2answers
2k views

Python Geoprocessing Service Script - how to use SetParameter

I have a script that needs to be published to ArcGIS Server as a geoprocessing service. This script computes a set of records in table form. I need to set an output parameter so that it returns the ...
7
votes
2answers
1k views

Restrict pan and zoom in ArcGIS Javascript API?

I'm creating a web map of a university campus. I have the map functioning, but I don't want to be able to pan off of the basemap, into whitespace. Do you know of a function that will auto-pan the ...
6
votes
5answers
643 views

How to find the minimum extent of a given pixel value of a raster?

I am wondering if there is a way to find the minimum bounding extent for a raster with a particular value. I clipped a raster from a global image and the extent is set as the global extent with a lot ...
6
votes
3answers
2k views

How do you write a world file when exporting a TIFF with ArcPy Mapping?

According to documentation, the options are: Syntax ExportToTIFF (map_document, out_tiff, {data_frame}, {df_export_width}, {df_export_height}, {resolution}, {world_file}, {color_mode}, ...
3
votes
2answers
337 views

How to specify the pixel depth in model builder?

I have a simple model that calculates the NDVI from bands 3 and 4 of a raster dataset. The input bands are 8-bit unsigned, whereas the default output NDVI is signed 32 bit. How can I specify the ...
3
votes
1answer
387 views

Opening ArcGIS on a specific license level

We are on Citrix and would like to provide 3 shortcuts to our users so they can launch the three license levels (ArcView, ArcEditor and ArcInfo). We can't do this through desktop admin as the users ...
2
votes
3answers
3k views

Streetview/Bing Bird's Eye Add-In

I'm trying to create an Add-In for this tool: Link to Google Maps and Bing from MXD (Streetview and Bird's Eye supported) I'm not receiving an error however my browser is not opening after I select ...